[jira] [Resolved] (CARBONDATA-2967) Select is failing on pre-aggregate datamap when thrift server is restarted.

[Akash R Nilugal (Jira)]

     [ https://issues.apache.org/jira/browse/CARBONDATA-2967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ravindra Pesala resolved CARBONDATA-2967.
-----------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.5.0

> Select is failing on pre-aggregate datamap when thrift server is restarted.
> ---------------------------------------------------------------------------
>
>                 Key: CARBONDATA-2967
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2967
>             Project: CarbonData
>          Issue Type: Bug
>            Reporter: Kunal Kapoor
>            Assignee: Kunal Kapoor
>            Priority: Major
>             Fix For: 1.5.0
>
>          Time Spent: 4h 40m
>  Remaining Estimate: 0h
>
> *Problem:* 
> NullPointerException is thrown when select query is fired on a datamap. This is because to access dictionary files of the parent table the child table tries to get tablePath from CarbonTable object of the parent. Because the metadata is not populated therefore NullpointerException is thrown.
>  
> 1, 10.2.3.19, executor 1): java.lang.RuntimeException: Error while resolving 
> filter expression 
>         at 
> org.apache.carbondata.core.metadata.schema.table.CarbonTable.resolveFilter(CarbonTable.java:1043) 
>         at 
> org.apache.carbondata.core.scan.model.QueryModelBuilder.build(QueryModelBuilder.java:322) 
>         at 
> org.apache.carbondata.hadoop.api.CarbonInputFormat.createQueryModel(CarbonInputFormat.java:632) 
>         at 
> org.apache.carbondata.spark.rdd.CarbonScanRDD.internalCompute(CarbonScanRDD.scala:419) 
>         at org.apache.carbondata.spark.rdd.CarbonRDD.compute(CarbonRDD.scala:78) 
>         at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323) 
>         at org.apache.spark.rdd.RDD.iterator(RDD.scala:287) 
>         at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) 
>         at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323) 
>         at org.apache.spark.rdd.RDD.iterator(RDD.scala:287) 
>         at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) 
>         at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323) 
>         at org.apache.spark.rdd.RDD.iterator(RDD.scala:287) 
>         at 
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:96) 
>         at 
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53) 
>         at org.apache.spark.scheduler.Task.run(Task.scala:109) 
>         at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:338) 
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
>         at java.lang.Thread.run(Thread.java:748) 
> Caused by: java.lang.NullPointerException 
>         at 
> org.apache.carbondata.core.scan.executor.util.QueryUtil.getTableIdentifierForColumn(QueryUtil.java:401) 
>         at 
> org.apache.carbondata.core.scan.filter.FilterUtil.getForwardDictionaryCache(FilterUtil.java:1416) 
>         at 
> org.apache.carbondata.core.scan.filter.FilterUtil.getFilterValues(FilterUtil.java:712) 
>         at 
> org.apache.carbondata.core.scan.filter.resolver.resolverinfo.visitor.DictionaryColumnVisitor.populateFilterResolvedInfo(DictionaryColumnVisitor.java:60) 
>         at 
> org.apache.carbondata.core.scan.filter.resolver.resolverinfo.DimColumnResolvedFilterInfo.populateFilterInfoBasedOnColumnType(DimColumnResolvedFilterInfo.java:119) 
>         at 
> org.apache.carbondata.core.scan.filter.resolver.ConditionalFilterResolverImpl.resolve(ConditionalFilterResolverImpl.java:107) 
>         at 

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